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  • Title: [Respiratory symptoms in charcoal production workers in the cities of Lindolfo Collor, Ivoti and Presidente Lucena, Brazil].
    Author: Souza RM, Andrade FM, Moura AB, Teixeira PJ.
    Journal: J Bras Pneumol; 2010; 36(2):210-7. PubMed ID: 20485942.
    Abstract:
    OBJECTIVE: To determine the prevalence of respiratory symptoms and smoking, as well as pulmonary function parameters among charcoal production workers in three cities in southern Brazil. METHODS: This was an observational study including 67 individuals. Data were obtained by means of interviews and spirometry. RESULTS: Of the 67 workers, 50 (75.0%) were male; mean age, 46.52 +/- 13.25 years; mean BMI, 25.7 +/- 3.85 kg/m(2); FEV1, 3.24 +/- 0.82 L (93.2 +/- 16.0% of predicted); FVC, 4.02 +/- 0.92 L (95.5 +/- 14.3% of predicted); and FEV1/FVC, 80.31 +/- 9.82. The most common upper airway symptoms were sneezing and nasal secretion-in 24 workers (35.82%)-whereas the most common lower airway symptom was cough-in 15 (22.38%).Of the 67 workers, 21 (31.34%) were smokers. In comparison with the nonsmokers, the smokers more often presented with cough (OR = 5.00; p = 0.01), nasal obstruction (OR = 3.50; p = 0.03), nasal itching (OR = 8.80; p = 0.01) and wheezing (OR = 10.0; p = 0.03), as well as presenting with lower FEV1 values (2.93 +/- 0.80 vs. 3.38 +/- 0.80 L; p = 0.04). We detected occupational rhinitis in 14 workers (20.85%), asthma in 4 (5.97%) and COPD in 4 (5.97%). CONCLUSIONS: Respiratory symptoms and airflow reduction were more common in the smoking workers. Controlling the progression of the pyrolysis did not increase the prevalence of respiratory symptoms in the charcoal production workers studied.
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